CN207196590U - Double suction range hood - Google Patents

Abstract

The utility model relates to a double-suction range hood, which comprises a case, a fan and a fan shell, wherein the fan and the fan shell are arranged in the case, the fan shell is provided with a left spiral case, a right spiral case and an exhaust channel, the fans are respectively arranged in the two spiral cases, the two fans move relatively, one side of each spiral case corresponding to each fan is provided with an air inlet, and the periphery of each spiral case corresponding to each fan is provided with an air outlet; the air exhaust channel is positioned between the left volute and the right volute and is simultaneously communicated with the two air outlets; the air exhaust channel is provided with an outdoor air outlet and an indoor air outlet, and an air door for closing the outdoor air outlet or the indoor air outlet is arranged in the air exhaust channel. The double-air-suction range hood is provided with two air inlets, the air suction range is wider, and when the outdoor air outlet is closed by the air door, the indoor air outlet is opened; when the air door closes the indoor air outlet, the outdoor air outlet is opened, so that the change of the air outlet direction is realized, and the application range of the range hood is wider.

Description

Double suction range hood

technical field

The utility model relates to a range hood, in particular to a range hood with double suction.

Background technique

There are mainly two types of exhaust air for existing range hoods. One is that the exhaust outlet (outdoor air exhaust outlet) is located at the rear side of the top of the range hood or directly at the rear side, so as to be connected with the outdoor smoke exhaust channel on the wall and realize Outdoor smoke exhaust; the other is that the air exhaust port (indoor air exhaust port) is located at the front of the range hood, so that the exhausted air enters the use of the range hood. This structure needs to be equipped with a filter device at the same time, so that The air discharged into the space where the range hood is used is filtered and purified so as not to affect the user's body. However, at present, there is no range hood having two kinds of air outlets at the same time, thereby limiting the use occasions of the range hood.

Utility model content

The purpose of the utility model is to provide a double-suction range hood with simple and reasonable structure, strong suction and wide application range, so as to overcome the deficiencies of the prior art.

The purpose of this utility model is achieved in that:

A double-suction range hood, including a chassis, a fan and a wind casing, the fan and the wind casing are arranged in the casing, and it is characterized in that: the wind casing is provided with two left and right volutes and an exhaust channel, and the inside of the two volutes The fans are respectively provided, and the two fans move relative to each other. The side of the volute corresponding to the fan is provided with an air inlet, and the volute is provided with an outlet corresponding to the outer periphery of the fan; the exhaust channel is located between the left and right volutes and simultaneously It communicates with two air outlets; the air exhaust channel is provided with an outdoor air outlet and an indoor air outlet, and the air exhaust channel is provided with a damper for closing the outdoor air outlet or the indoor air outlet. When the damper closes the outdoor air outlet, the indoor air outlet opens; when the damper closes the indoor air outlet, the outdoor air outlet opens, thereby realizing the change of the air outlet direction.

The purpose of this utility model can also adopt the following technical measures to solve:

The two air outlets are located on the left and right sides of the exhaust passage, the indoor air outlet is located on the front side of the exhaust passage, and the outdoor air outlet is located on the rear side of the exhaust passage.

The air door is triangular in shape, one side is used to close the outdoor air outlet or the indoor air outlet, and the other two sides are used as air guide surfaces. Since the indoor air exhaust outlet and the outdoor air exhaust outlet are distributed front and rear, after the triangular air door 180 is rotated, the outlet air can be guided to any outlet by the slopes on both sides of the triangle.

The air guide surface of the damper is an inner concave arc surface, which has smaller wind resistance and lower noise.

The air door is rotatably arranged in the air exhaust passage, and a knob is arranged outside the bottom of the air exhaust passage to drive and connect with the air door. Since the range hood generally does not change its use environment after installation, it is enough to adjust the damper position once when the range hood is installed, so it is also very convenient to realize manual adjustment through the knob. Of course, the knob can also be replaced with a motor, and the motor is directly or through a transmission part connected to the air door drive, thereby realizing electric adjustment.

The air shell is also provided with an indoor air guide cover, the rear side and the top surface of the indoor air guide cover are open, the rear side of the indoor air guide cover is connected with the indoor air outlet of the exhaust channel, and the front side of the top of the chassis is provided with an indoor air outlet , the top surface of the indoor air guide cover is connected with the indoor air outlet.

The bottom surface of the indoor wind guide cover is inclined upwards to guide the outlet air upwards, so as to avoid affecting the air suction work of the range hood.

The air shell is also provided with an outdoor air guide groove, and the surface of the chassis is provided with at least one outdoor air outlet hole corresponding to the outdoor air guide groove, the outdoor air outlet hole is connected with the outdoor air guide groove, and a detachable cover plate is provided on the outdoor air outlet hole . The detachable cover means that it is easy to disassemble. For example, the chassis is made of sheet metal, and the outdoor air outlet is not punched out corresponding to the outdoor air outlet, but a gap of a certain length is punched along the outline of the outdoor air outlet. These The position surrounded by the gap forms a detachable cover plate, and when the outdoor air outlet needs to be opened, the detachable cover plate can be knocked off.

The air inlet is provided at the bottom of the volute, and a lampblack filter (preferably a filter made of activated carbon) is fastened outside the air inlet. When selecting indoor exhaust, the oil fume filter must be installed to filter the inhaled oil fume and then discharge it into the room.

The bottom of the chassis is provided with a smoke collection port corresponding to the wind shell, and a mesh plate is provided on the smoke collection port. Open the screen plate to install and replace the filter screen.

The beneficial effects of the utility model are as follows:

(1) This double-suction range hood has two air inlets, with a wider suction range, and by changing the position of the damper, the output direction of the exhaust air can be changed, so that the range hood has a wider range of applications.

(2) The indoor exhaust hole of this type of range hood chassis with exhaust direction selection is located at the top, and the air inlet is located at the bottom, which avoids the mutual interference of the incoming and outgoing air.

Description of drawings

Fig. 1 is a schematic diagram of the exploded structure of the first embodiment of the utility model.

FIG. 2 is a schematic structural diagram of another angle in FIG. 1 .

Fig. 3 is a top view structural diagram of the first embodiment of the utility model after the air casing and the fan are connected (outside air exhaust state).

Fig. 4 is a top view structural diagram of the first embodiment of the utility model after the air casing and the fan are connected (in the state of internal exhaust).

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Referring to Figures 1 to 4, a double-suction range hood includes a chassis 7, a fan 3 and an air casing 1, the fan 3 and the air casing 1 are arranged in the casing 7, and the air casing 1 is provided with two volutes on the left and the right. The casing 12 and an exhaust channel 15, the fans 3 are respectively arranged in the two volutes 12, and the two fans 3 move relatively. An air outlet 17 is arranged on the outer periphery; the exhaust passage 15 is located between the left and right volutes 12 and communicates with the two air outlets 17 at the same time; the exhaust passage 15 is provided with an outdoor air outlet 152 and an indoor exhaust The air outlet 151, and the damper 2 for closing the outdoor air outlet 152 or the indoor air outlet 151 is arranged in the exhaust channel 15.

The two air outlets 17 are located on the left and right sides of the exhaust channel 15 , the indoor air outlet 151 is located at the front side of the exhaust channel 15 , and the outdoor air outlet 152 is located at the rear side of the exhaust channel 15 .

The air door 2 is triangular in shape, one side is used to close the outdoor air outlet 152 or the indoor air outlet 151, and the other two sides are used as air guiding surfaces. The air guide surface of the damper 2 is a concave arc surface.

The damper 2 is rotatably arranged in the air exhaust channel 15 , and a knob 21 is arranged outside the bottom of the exhaust air channel 15 to drive and connect with the damper 2 . The bottom of the exhaust passage 15 is provided with an indicator beside the corresponding knob 21, and the user can adjust the position of the damper 2 through the indicator to change the air outlet direction.

The air shell 1 is also provided with an indoor air guide cover 11, the rear side and the top surface of the indoor air guide cover 11 are open, the rear side of the indoor air guide cover 11 communicates with the indoor air exhaust port 151 of the exhaust passage 15, and the front side of the cabinet 7 top is An indoor air outlet 72 is arranged on the side, and the top surface of the indoor wind guide cover 11 communicates with the indoor air outlet 72 .

The bottom surface of the indoor air guide cover 11 is inclined upward.

The air shell 1 is also provided with an outdoor air guide groove 14, and the surface of the chassis 7 is provided with at least one outdoor air outlet hole corresponding to the outdoor air guide groove 14, the outdoor air outlet hole is connected with the outdoor air guide groove 14, and the outdoor air outlet hole is provided with With removable cover. The top surface and the rear side of the outdoor air guide groove 14 are open, and the top rear side of the cabinet 7 corresponds to the outdoor air guide groove 14. The top surface is provided with a first outdoor air outlet hole 73, and the rear side of the cabinet 7 corresponds to the outdoor air guide. The rear side of the slot 14 is provided with a second outdoor air outlet 74, and the first outdoor air outlet 73 and the second outdoor air outlet 74 can be provided with a check valve 77 during use.

The bottom of the volute 12 is provided with the air inlet 16, and the oil fume filter 5 is buckled outside the air inlet 16.

The bottom of the chassis 7 is provided with a smoke collecting port corresponding to the air shell 1, and a mesh plate 6 is provided on the smoke collecting port. The bottom of the cabinet 7 is also provided with an illuminating lamp 75 . The fan 3 is a centrifugal fan.

Referring to Fig. 3, the air door 2 closes the indoor air outlet 151. It can be seen that one side of the triangular air door 2 blocks the indoor air outlet 151, and the air from the air outlet 17 in the volute 12 collides with the other two sides of the triangular air door 2. After the side, it is guided to the outdoor air guide groove 14, and then discharged. Rotate the damper 2 in the state shown in Figure 3 by 180 degrees, and the damper 2 at this time closes the outdoor air outlet 152. For details, see Figure 4 where one side of the triangular damper 2 blocks the outdoor air outlet 152, and the air outlet in the volute 12 After the air outlet of 17 collides with the other two sides of the damper 2 of the triangle, it is guided to the indoor air guide groove 11, and then discharged.

Claims (10)

1. A double-suction range hood, comprising a chassis (7), a fan (3) and an air casing (1), the fan (3) and the air casing (1) are arranged in the casing (7), and it is characterized in that: The air casing (1) is provided with two left and right volutes (12) and an exhaust channel (15), and the two volutes (12) are respectively provided with the fan (3), and the two fans (3) move relatively , the volute (12) is provided with an air inlet (16) corresponding to the side of the fan (3), and the volute (12) is provided with an air outlet (17) corresponding to the outer periphery of the fan (3); the exhaust channel (15) is located on the left and right The two volutes (12) communicate with the two air outlets (17) at the same time; the exhaust channel (15) is provided with an outdoor air exhaust port (152) and an indoor air exhaust port (151). The passage (15) is provided with a damper (2) for closing the outdoor air outlet (152) or the indoor air outlet (151). 2. The range hood with double suction according to claim 1, characterized in that: the two air outlets (17) are located on the left and right sides of the exhaust channel (15), and the indoor air outlet (151) is located in the exhaust channel (15) On the front side, the outdoor air outlet (152) is located at the rear side of the exhaust channel (15). 3. The range hood with double suction according to claim 2, characterized in that: the damper (2) is triangular in shape, and one side thereof is used to close the outdoor air outlet (152) or the indoor air outlet (151), The other two sides are used as wind guide surfaces. 4. The range hood with double suction according to claim 3, characterized in that: the air guide surface of the damper (2) is an inner concave arc surface. 5. The range hood with double suction according to claim 1, characterized in that: the damper (2) is rotatably set in the exhaust passage (15), and a knob (21) is provided outside the bottom of the exhaust passage (15) It is connected with the damper (2) transmission. 6. The double-suction range hood according to claim 1, characterized in that: the wind housing (1) is also provided with an indoor air guide cover (11), and the rear side and top surface of the indoor air guide cover (11) are open , the rear side of the indoor air guide cover (11) communicates with the indoor air outlet (151) of the exhaust channel (15), the front side of the top of the chassis (7) is provided with an indoor air outlet hole (72), and the indoor air guide cover (11 ) top surface communicates with the indoor air outlet (72). 7. The range hood with double suction according to claim 6, characterized in that: the bottom surface of the indoor air guide cover (11) is inclined upward. 8. The range hood with double suction according to claim 1, characterized in that: the air casing (1) is also provided with an outdoor air guide groove (14), and the surface of the chassis (7) corresponds to the outdoor air guide groove (14) At least one outdoor air outlet is provided, the outdoor air outlet communicates with the outdoor air guide groove (14), and a detachable cover plate (76) is provided on the outdoor air outlet. 9. The double-suction range hood according to claim 1, characterized in that: the bottom of the volute (12) is provided with the air inlet (16), and the air inlet (16) is buckled with a fume filter ( 5). 10. The range hood with double suction according to claim 1, characterized in that: the bottom of the cabinet (7) is provided with a smoke collection port corresponding to the air case (1), and a mesh plate (6) is provided on the smoke collection port.